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  <title>The SplMinHeap class</title>
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    <li><a href="index.html">PHP Manual</a></li>
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    <li>The SplMinHeap class</li>
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 <h1 class="title">The SplMinHeap class</h1>
 
 
 <div class="partintro"><p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p>
 

  <div class="section" id="splminheap.intro">
   <h2 class="title">简介</h2>
   <p class="para">
    The SplMinHeap class provides the main functionalities of a heap, keeping the minimum on the top.
   </p>
  </div>

 
  <div class="section" id="splminheap.synopsis">
   <h2 class="title">类摘要</h2>
 

   <div class="classsynopsis">
    <div class="ooclass">
     
    </div>

    <div class="classsynopsisinfo">
     <span class="ooclass">
      <span class="modifier">class</span> <strong class="classname">SplMinHeap</strong>
     </span>

     <span class="ooclass">
      <span class="modifier">extends</span>
       <a href="class.splheap.html" class="classname">SplHeap</a>
     </span>
     {</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 方法 */</div>
    <div class="methodsynopsis dc-description">
   <span class="modifier">protected</span> <span class="methodname"><a href="splminheap.compare.html" class="methodname">compare</a></span>(<span class="methodparam"><span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value1</code></span>, <span class="methodparam"><span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value2</code></span>): <span class="type">int</span></div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 继承的方法 */</div>
    <div class="methodsynopsis dc-description"><span class="modifier">protected</span> <span class="methodname"><a href="splheap.compare.html" class="methodname">SplHeap::compare</a></span>(<span class="methodparam"><span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value1</code></span>, <span class="methodparam"><span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value2</code></span>): <span class="type">int</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.count.html" class="methodname">SplHeap::count</a></span>(): <span class="type">int</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.current.html" class="methodname">SplHeap::current</a></span>(): <span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.extract.html" class="methodname">SplHeap::extract</a></span>(): <span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.insert.html" class="methodname">SplHeap::insert</a></span>(<span class="methodparam"><span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>): <span class="type">bool</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.iscorrupted.html" class="methodname">SplHeap::isCorrupted</a></span>(): <span class="type">bool</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.isempty.html" class="methodname">SplHeap::isEmpty</a></span>(): <span class="type">bool</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.key.html" class="methodname">SplHeap::key</a></span>(): <span class="type">int</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.next.html" class="methodname">SplHeap::next</a></span>(): <span class="type"><span class="type void">void</span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.recoverfromcorruption.html" class="methodname">SplHeap::recoverFromCorruption</a></span>(): <span class="type">bool</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.rewind.html" class="methodname">SplHeap::rewind</a></span>(): <span class="type"><span class="type void">void</span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.top.html" class="methodname">SplHeap::top</a></span>(): <span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="splheap.valid.html" class="methodname">SplHeap::valid</a></span>(): <span class="type">bool</span></div>

   }</div>
 
  </div>



 
 </div>
 
 






<h2>目录</h2><ul class="chunklist chunklist_reference"><li><a href="splminheap.compare.html">SplMinHeap::compare</a> — Compare elements in order to place them correctly in the heap while sifting up</li></ul>
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